Install Darktable 1.6.1

Darktable 1.6.1 recently released, is an open source photography workflow application and RAW developer. A virtual lighttable and darkroom for photographers. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images and enhance them. Please note that this release is a point release which fixes a couple of minor issues in the recent feature release 1.6.0 (such as a crash with images greater than 134 megapixels).